WO2012025985A1 - 風力発電装置及び風車用タワー施工方法 - Google Patents
風力発電装置及び風車用タワー施工方法 Download PDFInfo
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- WO2012025985A1 WO2012025985A1 PCT/JP2010/064231 JP2010064231W WO2012025985A1 WO 2012025985 A1 WO2012025985 A1 WO 2012025985A1 JP 2010064231 W JP2010064231 W JP 2010064231W WO 2012025985 A1 WO2012025985 A1 WO 2012025985A1
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- tower
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- outer cylinder
- pipe structure
- concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
- E04H12/185—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic with identical elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/91—Mounting on supporting structures or systems on a stationary structure
- F05B2240/912—Mounting on supporting structures or systems on a stationary structure on a tower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Definitions
- the present invention relates to a wind turbine generator for generating power by installing a nacelle on the top of a wind turbine tower and a wind turbine tower construction method.
- a wind turbine generator is a device that generates power by a generator that is driven by rotating a rotor head provided with wind turbine blades by receiving wind force and increasing the speed of the rotation by a gearbox.
- the rotor head described above is installed on a wind turbine tower (hereinafter referred to as “tower”) and attached to the end of a nacelle that can be yaw-turned so that it can rotate about a substantially horizontal lateral rotation axis. It is supported by.
- the tower for wind turbines mentioned above often adopts a steel monopole type using a cylindrical tower shell, and the base plate provided at the lower end of the tower shell is fixed to the reinforced concrete foundation with anchor bolts. Or a structure in which the shell is directly embedded in the foundation.
- the tower shell mentioned above uses what welded the edge parts which curved the steel plate in the cylinder shape.
- the following patent document discloses a basic structure applied to a pile type tower structure such as a tower structure for a wind power generator.
- a pile type tower structure such as a tower structure for a wind power generator.
- the process waits for the concrete to harden and proceeds to the next step.
- wind power generators have a tendency to increase output, and therefore, it is necessary to increase the size and height of towers.
- Such an increase in the size and height of the tower generally involves an increase in tower diameter and an increase in thickness.
- the tower of a general wind power generator is manufactured by dividing a length direction and the like at a factory to produce a plurality of parts, and transporting each part to the site for assembly. For this reason, the increase in the size and height of the tower is subject to restrictions on transportation restrictions stipulated on public roads and the like when each part is transported from the factory to the site.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a wind turbine generator having a tower structure that can cope with an increase in size and a height while avoiding restrictions on transportation limits, and It is to provide a tower construction method for a windmill.
- the wind turbine generator according to the present invention is a wind turbine generator that generates power by installing a nacelle on an upper part of a monopole type wind turbine tower connected to a cylindrical tower shell, and the wind turbine tower includes at least a lower end of the tower.
- a double tube structure is provided on the side.
- the wind turbine tower is provided with a double-pipe structure at least on the lower end side of the tower, so that the rigidity of the wind turbine tower is increased to cope with an increase in the height and diameter. be able to.
- the double-pipe structure portion has the tower shell as an inner cylinder, an outer cylinder is provided so as to surround an outer periphery of the inner cylinder, and the inner cylinder and the outer cylinder are connected to each other.
- the outer cylinder may have a truncated cone shape whose upper end side is connected to the outer peripheral surface of the inner cylinder and whose diameter gradually increases toward the lower end side.
- the outer cylinder can be divided into a plurality of circumferential directions and can be conveyed separately from the inner cylinder. That is, when the diameter of the wind turbine tower is increased, it is desirable that the outer cylinder is separated from the inner cylinder.
- a more preferable outer cylinder structure can be divided into a plurality of circumferential directions and transported to the site. Assembling is possible.
- the double-pipe structure part preferably includes a concrete-filled layer filled with concrete between the inner cylinder and the outer cylinder, whereby the rigidity can be further increased.
- a protrusion projecting from the wall surface of the inner cylinder and the outer cylinder into the concrete filling layer is provided.
- the wind turbine tower construction method for a wind turbine generator according to the present invention is a wind turbine tower construction method for a wind turbine generator that generates electricity by installing a nacelle on the top of a monopole wind turbine tower connected to a cylindrical tower shell.
- the tower for wind turbines is provided with a double pipe structure part filled with concrete between the inner cylinder and the outer cylinder at least on the lower end side of the tower, and the tower shell is connected to the upper side of the double pipe structure part.
- the tower shell connecting step is performed in parallel with the concrete placing step of filling the double pipe structure with concrete.
- the tower shell connecting step of connecting the tower shell to the upper portion of the double pipe structure part is a concrete placing process for filling the double pipe structure part with concrete. Since it implements in parallel, the tower for windmills can be made highly rigid in substantially the same construction period as the conventional structure.
- the windmill tower can be made highly rigid, it is possible to cope with an increase in size and height while avoiding restrictions on transportation restrictions. Further, according to the wind turbine tower construction method of the wind turbine generator of the present invention, even if it is a wind turbine tower that can be further increased in rigidity by performing the concrete placing process, the construction period is substantially the same as the conventional construction period. Construction by is possible.
- FIG. 1 It is a schematic perspective view which shows one Embodiment of a double-pipe structure part about the tower for windmills of the wind power generator which concerns on this invention.
- a wind turbine generator 1 shown in FIG. 10 includes a windmill tower (hereinafter referred to as “tower”) 2 erected on the foundation B, a nacelle 3 installed at the upper end of the tower 2, and a substantially horizontal lateral direction. And a rotor head 4 provided on the front end side of the nacelle 3 so as to be rotatable around the rotation axis of the nacelle 3.
- tower windmill tower
- nacelle 3 installed at the upper end of the tower 2
- a substantially horizontal lateral direction and a rotor head 4 provided on the front end side of the nacelle 3 so as to be rotatable around the rotation axis of the nacelle 3.
- a plurality of (for example, three) wind turbine blades 5 are attached to the rotor head 4 in a radial pattern around the rotation axis. Thereby, the force of the wind which hits the windmill blade 5 from the rotation axis direction of the rotor head 4 is converted into power for rotating the rotor head 4 around the rotation axis.
- the tower 2 of the wind power generator 1 described above is a monopole type in which a plurality of cylindrical tower shells are connected.
- the double pipe structure 20 is provided at least on the lower end side of the tower. I have.
- the double-pipe structure part 20 has a tower shell 2a of the tower 2 as an inner cylinder, and an outer cylinder 21 is provided so as to surround the outer periphery of the tower shell 2a, and between the tower shell 2a and the outer cylinder 21 is provided.
- Connecting members such as ribs 22 and flanges 23 are provided at appropriate positions, and are integrally connected by welding, bolt connection, or the like.
- the lowermost tower shell 2 a and the outer cylinder 21 are fixed on a common base plate 10.
- each of them has its own base plate.
- a structure in which the outer cylinder 21 is assembled on site is desirable.
- the double-pipe structure 20 configured as described above is fixed to the foundation B by passing the anchor bolts 12 through the bolt holes 11 provided in the base plate 10 and tightening the nuts 13 to the anchor bolts 12.
- the bolt holes 11 are provided on both the inner and outer sides of the tower shell 2a and the outer cylinder 21, but the present invention is not limited to this.
- reference numeral 2b denotes a flange portion for connecting the tower shell 2a
- reference numeral 14 denotes a grout layer.
- the double pipe structure 20 described above is connected to the outer cylinder 21 larger than the diameter of the tower shell 2a and can transmit force, the double pipe structure 20 on the lower end side of the tower 2 is Since the cross-sectional area is increased and the tower shell 2a and the outer cylinder 21 correspond to input as an integral strength member, the rigidity of the tower 2 is increased. Such an increase in rigidity of the tower 2 facilitates an increase in the height and diameter of the tower 2 associated with an increase in the output of the wind turbine generator 1. Further, the high rigidity of the tower 2 enables the tower shell 2a to be reduced in diameter and thinned by the amount of the high rigidity provided by the double pipe structure 20.
- the outer cylinder 21 is a separate structure that is installed locally, the tower shell 2a that is transported from the factory to the site is manufactured within the limits of the transport limit, and the outer cylinder 21 is finally installed on site, which is necessary. Rigidity can be ensured.
- the outer cylinder 21 in this case is conveyed to the site by dividing the circumferential direction of the cylindrical shape into a plurality of parts (in the example shown in the figure, four divisions) like an outer cylinder 21 'shown in FIG. 7, and the flange portion 21a is bolted. -A bolt connection structure in which the nut 24 is used is desirable.
- a welding structure may be employed in which the end portions of the members are joined on-site by the welding portion 25 at the corners of the rectangular cross section. .
- the structure part 20 can increase the rigidity corresponding to the increase in the diameter of the tower 2.
- the outer cylinder 21 described above has been described as a cylindrical shape having a larger diameter than the cylindrical tower shell 2a.
- the outer cylinder 21B having a hexagonal cross section shown in FIG. 6 may be used, and the cross-sectional shape thereof is not particularly limited.
- the outer cylinder 21C of the third modified example shown in FIG. 9 is connected to the outer peripheral surface of the tower shell 21a whose upper end side is the inner cylinder, and gradually increases in diameter toward the lower end side that becomes the foundation B side. It has become.
- Such a truncated cone-shaped outer cylinder 21 ⁇ / b> C can increase the tower rigidity to the same extent even if it has a low height as compared with the one having the same cross-sectional shape in the height direction.
- the double-pipe structure part 20 mentioned above is equipped with the concrete filling layer 30 which filled concrete between the tower shell 2a used as an inner cylinder, and the outer cylinder 21, like the double-pipe structure part 20A shown in FIG. It is desirable that That is, the double pipe structure portion 20A provided with the concrete filling layer 30 increases the strength against compressive stress particularly from the properties of the concrete, compared to the double pipe structure portion 20 which is not filled with concrete and is a space. Further, the rigidity is increased.
- the concrete layer 30 described above is provided with a protruding portion such as a stud dowel 31 that protrudes from the outer wall surface of the tower shell 2 a and the inner wall surface of the outer cylinder 21 to the concrete filling layer 30.
- a protruding portion such as a stud dowel 31 that protrudes from the outer wall surface of the tower shell 2 a and the inner wall surface of the outer cylinder 21 to the concrete filling layer 30.
- a protruding portion such as a stud dowel 31 that protrudes from the outer wall surface of the tower shell 2 a and the inner wall surface of the outer cylinder 21 to the concrete filling layer 30.
- a stud gibber 31 is firmly connected and integrated between the tower shell 2a and the outer cylinder 21 and the concrete filling layer 30, it is possible to further increase the rigidity.
- Such a concrete filled layer 30 can also be formed between the outer cylinders 21A to 21C and the tower shell 2a of the above-described modifications.
- the tower 2 of the wind power generator 1 provided with the double pipe structure part 20A mentioned above is constructed by the following construction method. That is, the tower construction method for a wind turbine provided with the double-pipe structure portion 20A in which concrete is filled between the tower shell 2a and the outer cylinder 21 at least on the lower end side of the tower to form the concrete filling layer 30 is provided with two tower shells 2a.
- the tower shell connecting step of connecting the upper portion of the heavy pipe structure portion 20A is performed in parallel with the concrete placing step of filling the double pipe structure portion 20A with concrete.
- Such a tower construction method for windmills is possible because the solidification state of the concrete cast in the concrete filling layer 30 does not affect the tower shell connection process.
- the tower shell connecting step of connecting the tower shell 2a to the upper side of the double pipe structure 20A is hardly affected by the concrete placing process of the double pipe structure 20A that takes time for solidification of the concrete. Since it can be carried out in parallel, the construction period is hardly extended. Therefore, it is possible to construct the tower 2 with high rigidity by providing a structure with the double pipe structure 20A capable of achieving high rigidity by substantially the same construction period as the conventional structure without the double pipe structure 20A. it can.
- the tower 2 can be made highly rigid by the double pipe structures 20 and 20A, so that the large size of the wind power generator 1 can be avoided while avoiding restrictions on transportation restrictions. Can cope with the increase in the height of the tower 2 and tower 2.
- the tower 2 is provided with the double-pipe structure portion 20A that can further increase the rigidity by performing the concrete placing process.
- this invention is not limited to embodiment mentioned above, In the range which does not deviate from the summary of this invention, it can change suitably.
- Wind turbine generator 2 Wind turbine tower 2a Tower shell (inner cylinder) 3 Nacelle 10 Base plate 20, 20A Double pipe structure 21, 21a-21C Outer cylinder 30 Concrete filling layer 31 Stud gibber (projection)
Abstract
Description
上述したロータヘッドは、風車用タワー(以下、「タワー」と呼ぶ)上に設置されてヨー旋回可能なナセルの端部に取り付けられ、略水平な横方向の回転軸線周りに回転可能となるように支持されている。
一方、一般的な風力発電装置のタワーは、工場で長さ方向等を分割して複数のパーツが製作され、各パーツを現地まで輸送して組み立てられる。このため、タワーの大型化及び高層化は、工場から現地まで各パーツを輸送する際において、公道等に規定されている輸送制限の制約を受ける。
本発明は、上記の事情に鑑みてなされたものであり、その目的とするところは、輸送限界の制約を回避しつつ大型化や高層化に対応できるようにしたタワー構造を有する風力発電装置及び風車用タワー施工方法を提供することにある。
本発明の風力発電装置は、筒形状のタワーシェルを連結したモノポール式の風車用タワーの上部にナセルを設置して発電する風力発電装置であって、前記風車用タワーは、少なくともタワー下端部側に二重管構造部を備えていることを特徴とするものである。
また、前記外筒は、上端部側が前記内筒の外周面に連結されるとともに、下端部側へ徐々に拡径する円錐台形状としてもよい。
すなわち、風車タワーが大径化する場合には、外筒を内筒と別体構造とすることが望ましく、より好ましい外筒の構造は、周方向を複数に分割して現地まで搬送でき、現地組立を可能にしたものである。
この場合、前記内筒及び前記外筒の壁面から前記コンクリート充填層に突出する突起部を備えていることが好ましい。
また、本発明の風力発電装置の風車用タワー施工方法によれば、コンクリート打設工程を実施することでより一層の高剛性化が可能となる風車用タワーであっても、従来と略同じ工期による施工が可能となる。
図10に示す風力発電装置1は、基礎B上に立設される風車用タワー(以下では「タワー」と呼ぶ)2と、タワー2の上端に設置されるナセル3と、略水平な横方向の回転軸線周りに回転可能に支持されてナセル3の前端部側に設けられるロータヘッド4とを有している。
二重管構造部20は、タワー2のタワーシェル2aを内筒とし、タワーシェル2aの外周を取り囲むようにして外筒21を設けたものであり、タワーシェル2aと外筒21との間は、適所にリブ22やフランジ23等の連結部材を設け、溶接やボルト結合等により一体に連結されている。
このように構成された二重管構造部20は、ベースプレート10に多数設けられたボルト穴11にアンカーボルト12を通すとともに、アンカーボルト12にナット13を締め付けて基礎Bに固定される。図示の構成例では、タワーシェル2a及び外筒21の内外両側にボルト穴11を設けているが、これに限定されることはない。なお、図中の符号2bはタワーシェル2aを連結するためのフランジ部、符号14はグラウト層である。
このようなタワー2の高剛性化は、風力発電装置1の大出力化に伴うタワー2の高層化や大径化を容易にする。また、タワー2の高剛性化は、二重管構造部20により高剛性化した分、タワーシェル2aの小径化や薄肉化を可能にする。
この場合の外筒21は、たとえば図7に示す外筒21′のように、円筒形状の周方向を複数に分割(図示の例では4分割)して現地まで搬送し、フランジ部21aをボルト・ナット24で結合するボルト結合構造が望ましい。あるいは、たとえば図8に示す外筒21″のように、矩形状断面の角部において、部材の端部同士を溶接部25により現地で接合し、筒状にする溶接構造を採用してもよい。
また、図9に示す第3変形例の外筒21Cは、上端部側が内筒となるタワーシェル21aの外周面に連結され、基礎B側となる下端部側へ徐々に拡径する円錐台形状となっている。このような円錐台形状の外筒21Cは、高さ方向の断面形状を同一にしたものと比較すれば、高さの低いものでも同等までタワー剛性を増すことができる。
なお、このようなコンクリート充填層30は、上述した各変形例の外筒21A~21Cとタワーシェル2aとの間に形成することも可能である。
すなわち、少なくともタワー下端部側にタワーシェル2a及び外筒21間にコンクリートを充填してコンクリート充填層30を形成した二重管構造部20Aを備えた風車用タワー施工方法は、タワーシェル2aを二重管構造部20Aの上方へ連結していくタワーシェル連結工程を、二重管構造部20Aにコンクリートを充填するコンクリート打設工程と並行して実施する。
この結果、タワーシェル2aを二重管構造部20Aの上方へ連結していくタワーシェル連結工程は、コンクリート固化に時間を要する二重管構造部20Aのコンクリート打設工程からほとんど影響を受けずに並行して実施することができるので、工期が延びることはほとんどない。従って、二重管構造部20Aのない従来構造と略同じ工期により、優れた高剛性化を達成できる二重管構造部20Aを設けた構造にして、高剛性化したタワー2を施工することができる。
また、上述した実施形態の風車用タワー施工方法を採用することにより、コンクリート打設工程を実施することでより一層の高剛性化が可能となる二重管構造部20Aを備えたタワー2であっても、従来と略同じ工期による施工が可能となる。
なお、本発明は上述した実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲内において適宜変更することができる。
2 風車用タワー(タワー)
2a タワーシェル(内筒)
3 ナセル
10 ベースプレート
20,20A 二重管構造部
21,21a~21C 外筒
30 コンクリート充填層
31 スタッドジベル(突起部)
Claims (7)
- 筒形状のタワーシェルを連結したモノポール式の風車用タワーの上部にナセルを設置して発電する風力発電装置であって、
前記風車用タワーは、少なくともタワー下端部側に二重管構造部を備えていることを特徴とする風力発電装置。 - 前記二重管構造部は、前記タワーシェルを内筒とし、該内筒の外周を取り囲むように外筒を設けるとともに、前記内筒と前記外筒との間が連結されていることを特徴とする請求項1に記載の風力発電装置。
- 前記外筒は、上端部側が前記内筒の外周面に連結されるとともに、下端部側へ徐々に拡径する円錐台形状であることを特徴とする請求項2に記載の風力発電装置。
- 前記外筒は、周方向を複数に分割可能とされ、かつ、前記内筒と別体に搬送可能であることを特徴とする請求項2に記載の風力発電装置。
- 前記二重管構造部は、内筒と外筒との間にコンクリートを充填したコンクリート充填層を備えていることを特徴とする請求項2に記載の風力発電装置。
- 前記内筒及び前記外筒の壁面から前記コンクリート充填層に突出する突起部を備えていることを特徴とする請求項5に記載の風力発電装置。
- 筒形状のタワーシェルを連結したモノポール式の風車用タワーの上部にナセルを設置して発電する風力発電装置の風車用タワー施工方法であって、
前記風車用タワーは、少なくともタワー下端部側に内筒及び外筒間にコンクリートを充填した二重管構造部を備え、
前記タワーシェルを前記二重管構造部の上方へ連結していくタワーシェル連結工程を、前記二重管構造部にコンクリートを充填するコンクリート打設工程と並行して実施することを特徴とする風力発電装置の風車用タワー施工方法。
Priority Applications (9)
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PCT/JP2010/064231 WO2012025985A1 (ja) | 2010-08-24 | 2010-08-24 | 風力発電装置及び風車用タワー施工方法 |
KR1020117007104A KR20120073154A (ko) | 2010-08-24 | 2010-08-24 | 풍력 발전 장치 및 풍차용 타워 시공 방법 |
CN2010800027485A CN102713277A (zh) | 2010-08-24 | 2010-08-24 | 风力发电装置及风车用塔架施工方法 |
AU2010249278A AU2010249278A1 (en) | 2010-08-24 | 2010-08-24 | WInd turbine generator and construction method for wind turbine tower |
BRPI1004557A BRPI1004557A2 (pt) | 2010-08-24 | 2010-08-24 | gerador de turbina eólica e método de construção para torre de turbina eólica |
JP2010547776A JP5314708B2 (ja) | 2010-08-24 | 2010-08-24 | 風力発電装置及び風車用タワー施工方法 |
CA2722226A CA2722226A1 (en) | 2010-08-24 | 2010-08-24 | Wind turbine generator and construction method for wind turbine tower |
EP10787984.3A EP2610488A1 (en) | 2010-08-24 | 2010-08-24 | Wind turbine device and method for constructing tower for blade wheel |
US12/964,089 US20110138731A1 (en) | 2010-08-24 | 2010-12-09 | Wind turbine generator and construction method for wind turbine tower |
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EP (1) | EP2610488A1 (ja) |
JP (1) | JP5314708B2 (ja) |
KR (1) | KR20120073154A (ja) |
CN (1) | CN102713277A (ja) |
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US20110138731A1 (en) | 2011-06-16 |
KR20120073154A (ko) | 2012-07-04 |
EP2610488A1 (en) | 2013-07-03 |
CN102713277A (zh) | 2012-10-03 |
BRPI1004557A2 (pt) | 2016-03-22 |
CA2722226A1 (en) | 2012-02-24 |
JP5314708B2 (ja) | 2013-10-16 |
JPWO2012025985A1 (ja) | 2013-10-28 |
AU2010249278A1 (en) | 2012-03-08 |
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